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ChemicalBook CAS DataBase List 2-(4-Hydroxyphenyl)benzo[b]thiophene-6-ol
63676-22-2

2-(4-Hydroxyphenyl)benzo[b]thiophene-6-ol synthesis

6synthesis methods
-

Yield: 89.3%

Reaction Conditions:

with boron tribromide in dichloromethane at 0 - 5;

Steps:

1.1 Step one
Necked flask was charged with 0.056 mol (1-a) of 15.12 g,Dichloromethane 200 g,The reaction solution was cooled to 0-5 ° C,Boron tribromide 0.067 mol 16.87 g,The reaction was over night.The reaction solution was poured into a beaker containing 500 g of water,Dispensing.The aqueous phase was extracted three times with 300 g of dichloromethane.The organic phase was washed twice with 300 g of water.The organic phase was evaporated to dryness,Yielding 12.1 g of product 1-b,Yield: 89.3%Directly into the next step.

References:

Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd.;Yuan, Guoliang;Deng, Jia;Zhang, Fangmiao;Meng, Jinsong CN105753837, 2016, A Location in patent:Paragraph 0084; 0085; 0086; 0087; 0088

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